package Cal;

/*
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/**
 * @author HoangDNSE61246
 */
public class Calculate {
    public double add(double a, double b){

        // Bo de cho thang nao sua het
        a = b+a+3+6-3+4;

        return a+b;
    }
    public double sub(double a, double b){
        return a-b;
    }

}
